Spray Foam Insulation cost: Cordova vs Knoxville (2026)
Spray foam insulation costs about the same in Cordova and Knoxville in 2026 — roughly $3,600 in each.
Cordova TN
Typically around $3,600
Knoxville TN
Typically around $3,600
Cordova vs Knoxville: full breakdown
| Factor | Cordova | Knoxville |
|---|---|---|
| Typical 2026 cost | $3,600 | $3,600 |
| Estimated range | $1,450–$5,750 | $1,450–$5,700 |
| Labor index (vs US) | ×0.96 | ×0.95 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | None | None |
| Labor share | $2,000 | $2,000 |
| Materials/equipment | $1,600 | $1,600 |
All figures are 2026 localized planning estimates for spray foam insulation — get an actual quote before you commit.
Basically a tie — focus on the contractor
The two metros are effectively a wash for spray foam insulation — pick on contractor quality and timing, not location.
Spray foam insulation by type: Cordova vs Knoxville
We localize each spray foam insulation type separately for both metros, applying the same labor, climate and permit adjustments each time, so you're comparing like for like.
| Type | Cordova | Knoxville |
|---|---|---|
| Open-cell | $1,450–$4,350 | $1,450–$4,300 |
| Closed-cell | $2,400–$6,750 | $2,400–$6,650 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national spray foam insulation range for local labor, climate and permits.
Spray foam insulation by area: Cordova vs Knoxville
Spray foam is priced by board foot (1 sq ft at 1 inch thick), which works out to about $1.50–$5 per sq ft of surface installed depending on foam type and thickness. Closed-cell costs more but adds twice the R-value per inch.
| Size | Cordova | Knoxville |
|---|---|---|
| 500 sq ft | $850–$2,300 | $850–$2,300 |
| 1,000 sq ft | $1,450–$3,850 | $1,450–$3,800 |
| 1,500 sq ft | $2,100–$5,300 | $2,100–$5,250 |
| 2,000+ sq ft | $2,700–$6,250 | $2,650–$6,200 |
Treat these as 2026 localized estimates for spray foam insulation, not quotes from a contractor.
What insulation pros earn in each metro
With labor making up about 55% of a spray foam insulation job, wage differences between metros do most of the work here. These figures are real BLS OEWS installer wages, not modeled estimates.
Memphis metro · about 7% below the US average installer wage.
No BLS metro wage series for Knoxville; we use Tennessee regional price parity instead.
Source: U.S. Bureau of Labor Statistics, OEWS metro wages for HVAC installers (used as a trade-labor index).
Cheapest time for spray foam insulation in either city
Everyone waits until fall to insulate, which is exactly why fall costs the most. Spring and summer are quieter for installers and often catch a fresh year's rebate budget before it runs dry.
How much insulation is worth paying for?
How much you spend on insulation and how fast it pays back come down to R-value, air-sealing and material. Our editors break down the trade-offs.
The rebate case
Insulation has some of the best rebate math in home improvement — utility and state programs can cover a solid share (the federal 25C credits ended Dec 2025). Check DSIRE before you book and time it to a fresh rebate budget.
The R-value case
Insulate to the DOE recommendation for your climate zone — under-insulating to save money leaves comfort and energy savings on the table that would have paid the job back.
The air-sealing case
Insulation without air-sealing underperforms. Sealing leaks first is cheap and often delivers more comfort per dollar than thicker insulation alone — make sure it's in the scope.
Air-seal before you insulate, hit the DOE-recommended R-value for your zone, and claim every rebate you're eligible for — insulation is a rare case where doing the full job is also the cheapest one, long-term.
Cordova vs Knoxville
Is spray foam insulation cheaper in Cordova or Knoxville?
Not really — both cities land at almost the same number for spray foam insulation, around $3,600 each.
Why does spray foam insulation cost more in Knoxville than Cordova?
The main driver is local labor rates: Knoxville's labor index is 0.95 versus 0.96 in Cordova. Climate zone (mixed vs mixed) also shift the total.
How much is spray foam insulation in Cordova, TN?
Expect to pay $1,450 to $5,750 for spray foam insulation in Cordova in 2026, averaging around $3,600.
When is the cheapest time to buy spray foam insulation — and does it differ by city?
The best window is the same in both Cordova and Knoxville: Spring and summer, when demand drops and installers discount to keep crews busy — typically 5–10% off peak pricing. The most expensive time anywhere is an emergency replacement during the pre-winter fall rush.
Should I choose where to live based on spray foam insulation cost?
Cost shouldn't be the deciding factor between Cordova and Knoxville — they land at nearly the same price. Contractor reputation, scope, equipment tier and timing matter more.
Compare spray foam insulation in other cities
Updated June 2026 · By Serhat Özçelik